This driver is designed in a generic manner, so clocks should be handled genericly as well.
Signed-off-by: Masahiro Yamada yamada.masahiro@socionext.com ---
Changes in v2: - rephrase git-log - rebase on commit 12f229ea - do not store clk devices and IDs in the private data
drivers/usb/host/ehci-generic.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+)
diff --git a/drivers/usb/host/ehci-generic.c b/drivers/usb/host/ehci-generic.c index 1292caa..98f9db7 100644 --- a/drivers/usb/host/ehci-generic.c +++ b/drivers/usb/host/ehci-generic.c @@ -5,6 +5,7 @@ */
#include <common.h> +#include <clk.h> #include <dm.h> #include "ehci.h"
@@ -21,6 +22,20 @@ static int ehci_usb_probe(struct udevice *dev) { struct ehci_hccr *hccr = (struct ehci_hccr *)dev_get_addr(dev); struct ehci_hcor *hcor; + int i = 0; + + while (1) { + struct udevice *clk_dev; + int clk_id; + + clk_id = clk_get_by_index(dev, i, &clk_dev); + if (clk_id < 0) + break; + if (clk_enable(clk_dev, clk_id)) + printf("failed to enable clock (dev=%s, id=%d)\n", + clk_dev->name, clk_id); + i++; + }
hcor = (struct ehci_hcor *)((uintptr_t)hccr + HC_LENGTH(ehci_readl(&hccr->cr_capbase)));